A high quality stool with a gas lift height adjustment mechanism, perfect for pre-screen areas or for patient use with visual fields/ autorefractors or similar desktop instruments. 
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This model has a 5-leg chrome-plated base with a seat diameter of 34cm and a base diameter of 49cm. The seat comes as standard upholstered in black, easy to clean vinyl. 
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Seat height: minimum 53cm - maximum 73cm